Question

corregir los errores
1 :this is peter and her girlfriend Sharon.
2: you are pretty .what's her name?
3:anna loves his pretty new earrings
4:these are ours chairs
5: what are they 're names
6: are these yours keys

Answer 1

-this is peter and his girlfriend Sharon.
-you are pretty .what's your name?
-anna loves her pretty new earrings
-these are our chairs
-what are their names 
-are these your keys?

Answer 2

1 :This is Peter and her girlfriend Sharon.       her (su de ella)
Corrección :  This is Peter and his girlfriend Sharon.  his (su de él)

2: You are pretty. What's her name?                     her (su de ella)
Corrección :  You are pretty. What's your name?   your (tu adjetivo posesivo)

3: Anna loves his pretty new earrings                 his (sus de él)
Corrección : Anna loves her pretty new earrings  her (sus de ella)

4:These are ours chairs         Ours (pronombre las nuestras)
Corrección : These are our chairs.  our (nuestras - adjetivo posesivo)

5: What are they 're names?            They are (ellos son)
Corrección : What are their names?   their (sus de ellos)

6: Are these yours keys?                    Yours (pronombre las vuestras)
Corrección Are these your keys?        Your (tus adjetivo posesivo)